Mercedes-Benz C-Class Petrol · 350 kW (476 hp)
Measured by the on-board fuel meters of 270 cars · 2024 data
Real-world consumption is 28% above official. 569 of the other 618 petrol cars in the data come closer to their official figure.
How much drivers actually use
Half of the cars use between 13.1 and 15.5 L/100 km. The most economical tenth stays under 12.2; the thirstiest tenth uses more than 16.8.
Each bar is a 0.5 L range; its height and the figure above it show what share of cars fall in that range.
Is my consumption normal?
What it costs to fuel
| Country | At official | At real | Difference |
|---|---|---|---|
| EU weighted average 2.01 €/L | €3,335 | €4,266 | +€932 |
| Austria 1.86 €/L | €3,094 | €3,958 | +€864 |
| Belgium 1.98 €/L | €3,280 | €4,196 | +€916 |
| Bulgaria 1.65 €/L | €2,736 | €3,500 | +€764 |
| Croatia 1.80 €/L | €2,991 | €3,827 | +€836 |
| Cyprus 1.76 €/L | €2,920 | €3,736 | +€816 |
| Czechia 1.86 €/L | €3,084 | €3,946 | +€862 |
| Denmark 2.66 €/L | €4,410 | €5,642 | +€1,232 |
| Estonia 1.92 €/L | €3,185 | €4,075 | +€890 |
| Finland 2.32 €/L | €3,847 | €4,922 | +€1,075 |
| France 2.21 €/L | €3,670 | €4,695 | +€1,025 |
| Germany 2.21 €/L | €3,673 | €4,699 | +€1,026 |
| Greece 2.20 €/L | €3,648 | €4,667 | +€1,019 |
| Hungary 1.75 €/L | €2,910 | €3,723 | +€813 |
| Ireland 1.98 €/L | €3,290 | €4,209 | +€919 |
| Italy 2.02 €/L | €3,353 | €4,290 | +€937 |
| Latvia 1.94 €/L | €3,223 | €4,124 | +€901 |
| Lithuania 1.93 €/L | €3,194 | €4,086 | +€892 |
| Luxembourg 1.88 €/L | €3,112 | €3,982 | +€870 |
| Malta 1.34 €/L | €2,223 | €2,844 | +€621 |
| Netherlands 2.46 €/L | €4,084 | €5,226 | +€1,141 |
| Poland 1.57 €/L | €2,605 | €3,332 | +€728 |
| Portugal 2.11 €/L | €3,500 | €4,478 | +€978 |
| Romania 1.90 €/L | €3,149 | €4,029 | +€880 |
| Slovakia 1.85 €/L | €3,063 | €3,918 | +€856 |
| Slovenia 1.76 €/L | €2,921 | €3,738 | +€816 |
| Spain 1.79 €/L | €2,970 | €3,799 | +€830 |
| Sweden 1.69 €/L | €2,807 | €3,591 | +€784 |
Fuel prices including taxes from the European Commission Weekly Oil Bulletin of 12 October 2026. Cost = consumption × price × distance. The default distance is an example; change it to yours.
Other Mercedes-Benz C-Class engines
Similar cars from other models
Same powertrain, similar power and weight.
| Model and engine | cars | Official (WLTP) | Real world | Gap |
|---|---|---|---|---|
| Porsche Macan Petrol · 280 kW (381 hp) | 5,375 | 11.0 | 12.2 | +10% |
| BMW M3 Petrol · 375 kW (510 hp) | 5,050 | 10.2 | 13.1 | +29% |
| Porsche 911 Petrol · 353 kW (480 hp) | 5,041 | 11.0 | 13.3 | +21% |
| Porsche Macan Petrol · 324 kW (441 hp) | 4,234 | 11.3 | 12.6 | +12% |
| Ford Mustang Petrol · 330 kW (449 hp) | 4,158 | 11.5 | 13.6 | +18% |
| Porsche 911 Petrol · 331 kW (450 hp) | 3,974 | 10.6 | 12.6 | +19% |
| BMW M4 Petrol · 375 kW (510 hp) | 3,511 | 10.1 | 13.2 | +32% |
| Mercedes-Benz A-Class Petrol · 310 kW (421 hp) | 3,167 | 9.1 | 12.2 | +35% |
By reporting year
| cars | Official (WLTP) | Real world | Gap | |
|---|---|---|---|---|
| 2022 | 140 | 11.1 | 14.4 | +30% |
| 2023 | 175 | 11.1 | 14.2 | +28% |
| 2024 | 270 | 11.1 | 14.2 | +28% |
The same cars are reported again each year with their lifetime totals, so years are not added together.
About this data
| Cars in the data | 270 (2024) |
|---|---|
| Names in the registration data | C 63 |
| Registration years | 2021, 2022, 2023 |
| Engine size | 3,982 cm³ |
| Average mass in running order | 1,858 kg |
| Average distance on the meter | 25,951 km |
Hybrid includes mild hybrids (48 V) as registered by the manufacturer.
Source: European Environment Agency, real-world CO₂ emissions from cars, 2024 data (CC BY 4.0), based on on-board fuel consumption meters (Regulation (EU) 2019/631, Article 12). Grouping by model and engine, averages and percentiles by RealFuelConsumption. Not affiliated with the EEA or the manufacturer.